The Oura Ring 4 began shipping to customers and became available in retail stores on Tuesday, and it's an impressive option for those looking for a sleek and comfortable way to learn more about their bodies and make healthier choices.
The smart ring offers more accurate sensors, a more comfortable design and longer battery life than its predecessor. The gadget is available in 12 sizes and six colors, including a new black finish, and it costs $349, although users have to pay a $5.99 a month, or $69.99 a year, subscription to use all of the accompanying app's features.